@minecraft/creator-tools/data/forms/block/minecraft_light_dampening.form.json

Minecraft Creator Tools command line and libraries.

{
  "fields": [],
  "scalarField": {
    "id": "integer",
    "title": "Light Dampening Value",
    "dataType": 0
  },
  "description": "The amount that light will be dampened when it passes through the block, in a range (0-15). Higher value means the light will be dampened more.",
  "title": "Light Dampening",
  "id": "minecraft:light_dampening"
}